From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9110248891; Thu, 26 Mar 2026 00:16:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484218; cv=none; b=cD7hQW9RrFcyNh/I4IkJRr8r1W/lheQiTkfSrs9SfLIXsNsrSK5uGQr8vTgAuApVbT6azTgn2bfyjMyV/t8y06w+XrRcPiKKYqATLSJyxWB2DV7MeYc7Ofm3faUaFNMghEbrpzxcjKtdZJaOrno8YQ07ILQHrco0Xte22hsg1y8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484218; c=relaxed/simple; bh=HMZzVUFcD9miX9WpRk/PMHOpf3ZyoinWJzLJ9kgTXYw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Egu6Sw1y5axNV1HQhdWEE7WBpVH/N2SPJlOPk95UlIm7MEwpJ6e1k/Q1ZgTmgCiFe30EBgTnphBsl5wWwapuR87InP0KDDmmVbbEUzD9aoKmwcb9kPb9zXYjFBmr4heAVU3fHQKvQx+CI9voOxYrZejCeiehwwFI5Mw3oo1a6Ss= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EQZaxAQg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EQZaxAQg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 62E92C2BCB2; Thu, 26 Mar 2026 00:16:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774484218; bh=HMZzVUFcD9miX9WpRk/PMHOpf3ZyoinWJzLJ9kgTXYw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EQZaxAQgytO6JTxWUmhI2BJcJwz+pIMmqaQms/j0I2v26SEx+xoz0PhDCqV9gCNuL fYgdcxmaqqb5Je4Q1kg5XNvCpvXFdxLCJSO/FCBtdcxI8aDD5ggJv5SVH6HE8Rpwmx /tbZSVNdSE/DANAI5p8fZQAVkf3X/RdNQusR7cQcd8HcmahMP+re30gJVqJKIFYgMy MmwNKnxKxUOoNSaLr+3WXp22QmTm5a212hgKkjlos13q6DM51vTyIwI7oTp0NigcsX ppiufvcDFfBuAc2QObERI4EDCvOMdn9j1WzMhwqqHI1m3qjf1Q4usIroWOiFaMeJQP L2xG9tJyQFY8g== From: Eric Biggers To: linux-crypto@vger.kernel.org, Herbert Xu Cc: linux-kernel@vger.kernel.org, "Jason A . Donenfeld" , Stephan Mueller , Eric Biggers Subject: [PATCH 11/11] crypto: rng - Don't pull in DRBG when CRYPTO_FIPS=n Date: Wed, 25 Mar 2026 17:15:07 -0700 Message-ID: <20260326001507.66500-12-ebiggers@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326001507.66500-1-ebiggers@kernel.org> References: <20260326001507.66500-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit crypto_stdrng_get_bytes() is now always available: - When CRYPTO_FIPS=n it is an inline function that always calls into the always-built-in drivers/char/random.c. - When CRYPTO_FIPS=y it is an inline function that calls into either random.c or crypto/rng.c, depending on the value of fips_enabled. The former is again always built-in. The latter is built-in as well in this case, due to CRYPTO_FIPS=y. Thus, the CRYPTO_RNG_DEFAULT symbol is no longer needed. Remove it. This makes it so that CRYPTO_DRBG_MENU (and hence also CRYPTO_DRBG, CRYPTO_JITTERENTROPY, and CRYPTO_LIB_SHA3) no longer gets unnecessarily pulled into CRYPTO_FIPS=n kernels. I.e. CRYPTO_FIPS=n kernels are no longer bloated with code that is relevant only to FIPS certifications. Signed-off-by: Eric Biggers --- crypto/Kconfig | 7 ------- 1 file changed, 7 deletions(-) diff --git a/crypto/Kconfig b/crypto/Kconfig index 80492538e1f7..13686f033413 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -107,14 +107,10 @@ config CRYPTO_RNG config CRYPTO_RNG2 tristate select CRYPTO_ALGAPI2 -config CRYPTO_RNG_DEFAULT - tristate - select CRYPTO_DRBG_MENU - config CRYPTO_AKCIPHER2 tristate select CRYPTO_ALGAPI2 config CRYPTO_AKCIPHER @@ -294,11 +290,10 @@ config CRYPTO_DH DH (Diffie-Hellman) key exchange algorithm config CRYPTO_DH_RFC7919_GROUPS bool "RFC 7919 FFDHE groups" depends on CRYPTO_DH - select CRYPTO_RNG_DEFAULT help FFDHE (Finite-Field-based Diffie-Hellman Ephemeral) groups defined in RFC7919. Support these finite-field groups in DH key exchanges: @@ -306,11 +301,10 @@ config CRYPTO_DH_RFC7919_GROUPS If unsure, say N. config CRYPTO_ECC tristate - select CRYPTO_RNG_DEFAULT config CRYPTO_ECDH tristate "ECDH (Elliptic Curve Diffie-Hellman)" select CRYPTO_ECC select CRYPTO_KPP @@ -802,11 +796,10 @@ config CRYPTO_GCM config CRYPTO_GENIV tristate select CRYPTO_AEAD select CRYPTO_MANAGER - select CRYPTO_RNG_DEFAULT config CRYPTO_SEQIV tristate "Sequence Number IV Generator" select CRYPTO_GENIV help -- 2.53.0